condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.021163633333333334 0.0 0.0634909 9 h after light 0.0 0.0 0.0 12 h after light 0.04417133333333333 0.0 0.132514 3 h after dark 0.022687533333333332 0.0 0.0680626 6 h after dark 0.0173604 0.0 0.0520812 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0